package java复习202408.B_集合相关验证;

import java.util.ArrayList;
import java.util.HashSet;

public class b5_hashset验证 {


    public void test1(){
        HashSet hashSet = new HashSet();

        ArrayList<Integer> ints = new ArrayList<Integer>();

        for (int i = 0; i < ints.size(); i++) {
            ints.get(0);
        }
    }
}
